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April Weather in Superior, United States

Last updated: June 24, 2025

In April, the average temperature in Superior, United States hovers around 11°C (52°F). However, you might experience a remarkable range with a minimum of -11°C (13°F) and a maximum soaring up to 33°C (91°F). Expect a total precipitation of 45 mm (1.8 in) over approximately 7 days, accompanied by an average humidity of 70%.

April Temperature in Superior

In April in Superior, the average temperature is 11°C (52°F), with maximums reaching 33°C (91°F) and minimums dipping as low as -11°C (13°F). This makes it essential to pack for a wide range of weather conditions when traveling to Superior during this time.

April Weather in Superior: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Superior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Superior, April typically has an average temperature of 11°C (52°F), with highs reaching up to 33°C (91°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec282843526377807671544234
Data source: Temperature data for Superior generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Superior

In Superior in April, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.

April Precipitation Trends in Superior

The chart displays monthly precipitation patterns in Superior, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Superior, April typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2722814517580708468892239
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Superior

In Superior in April, humidity is 70%. With an average temperature of 11°C (52°F), this humidity feels like a chilly blanket hugging your skin, making outdoor exploration invigorating yet slightly uncomfortable without the right layers.

April Average Humidity in Superior

This chart illustrates the average monthly humidity levels in Superior, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Superior is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Superior

In Superior in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Superior.

Maximum UV Index Levels in Superior for April

The chart shows the monthly maximum UV Index (UVI) for Superior in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Superior typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Superior April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Superior Compares to Other Months

Weather in Superior varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Superior, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Superior, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)27 mm (1.1 inches)74%moderate
February Weather-2°C (29°F)22 mm (0.9 inches)78%moderate
March Weather6°C (43°F)81 mm (3.2 inches)67%high
April Weather11°C (52°F)45 mm (1.8 inches)70%very high
May Weather17°C (63°F)175 mm (6.9 inches)82%very high
June Weather25°C (77°F)80 mm (3.1 inches)81%extreme
July Weather26°C (80°F)70 mm (2.8 inches)80%extreme
August Weather24°C (76°F)84 mm (3.3 inches)80%very high
September Weather22°C (71°F)68 mm (2.7 inches)73%very high
October Weather12°C (54°F)89 mm (3.5 inches)71%high
November Weather6°C (42°F)22 mm (0.9 inches)79%moderate
December Weather1°C (34°F)39 mm (1.5 inches)83%moderate

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